CN104962161A - Water-based peelable paint - Google Patents
Water-based peelable paint Download PDFInfo
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- CN104962161A CN104962161A CN201510413216.5A CN201510413216A CN104962161A CN 104962161 A CN104962161 A CN 104962161A CN 201510413216 A CN201510413216 A CN 201510413216A CN 104962161 A CN104962161 A CN 104962161A
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- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 239000003973 paint Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000004945 emulsification Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 35
- 239000003999 initiator Substances 0.000 claims description 25
- 239000003995 emulsifying agent Substances 0.000 claims description 20
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 10
- 238000013019 agitation Methods 0.000 claims description 10
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- 230000005494 condensation Effects 0.000 claims description 10
- 238000010790 dilution Methods 0.000 claims description 10
- 239000012895 dilution Substances 0.000 claims description 10
- IBVAQQYNSHJXBV-UHFFFAOYSA-N adipic acid dihydrazide Chemical compound NNC(=O)CCCCC(=O)NN IBVAQQYNSHJXBV-UHFFFAOYSA-N 0.000 claims description 6
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000004160 Ammonium persulphate Substances 0.000 claims description 5
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 5
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 5
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 5
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 5
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 5
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 230000032050 esterification Effects 0.000 claims description 5
- 238000005886 esterification reaction Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 5
- 238000006068 polycondensation reaction Methods 0.000 claims description 5
- 230000002829 reductive effect Effects 0.000 claims description 5
- 239000001509 sodium citrate Substances 0.000 claims description 5
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 5
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims description 5
- 229940038773 trisodium citrate Drugs 0.000 claims description 5
- 239000011347 resin Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 239000012752 auxiliary agent Substances 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 238000006116 polymerization reaction Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000005028 tinplate Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- -1 foundry goods Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention relates to water-based peelable paint. A manufacturing process of the water-based peelable paint comprises the following steps of A, a reaction kettle process, B, an emulsification cylinder process, C, a reaction part and D, a post processing part. Through the steps of a method, the finally made water-based peelable paint can be finally made into 100 to 120 parts by weight of crylic acid emulsion with the solid content being 40 to 45 percent. The water-based peelable paint has the innovation point that any auxiliary agents do not need to be added; a self created special polymerization process and raw materials are used for realizing the characteristics of high self inner cohesion force and low attaching force of resin, in addition, the water-resistant acid-resistant and alkali-resistant performance is excellent, certain toughness and elasticity are realized, and the self peelable performance is realized.
Description
Technical field
The invention belongs to technical field of aqueous paint, particularly a kind of water-based Stripable paint.
Background technology
Stripable paint, as the provisional protective cover of one, rises in Japan of the seventies in last century, US and European, is mainly used on the large-scale apparatuses such as weaponry, big machinery, car.Due to the materials such as steel, foundry goods, glass or part in transport and storage process, be vulnerable to many-sided pollution such as steam, dirt microorganism, or be subject to the effects such as artificial scratch, friction, make the damage that body surface is subject in various degree.Ectocrine surface effect, even can shorten object work-ing life.As being coated with last layer temporary protective film on the surface of these objects, forming the rete of one deck densification, then effectively can completely cut off etching medium, reduce erosion rate thus form preservative activity; Extraneous dirt can be completely cut off simultaneously, play anti-soil effect.When protected object needs to enable, because protective membrane has powerful force of cohesion, have suitable sticking power and rippability to base material, film can realize peeling off completely, can realize noresidue fast opened.
But, domestic Stripable paint is started late, and based on oil paint, except part silicone Stripable paint, the oiliness Stripable paint of other kinds is all containing a certain amount of solvent, volatilization in use procedure not only wastes resource, also can pollute air, brings Health hazard more to the personnel of operation in construction environment.But in water-borne coatings, due to water during paint solvent, therefore it has environmental protection, safe, cheap feature.When using water-borne coatings, both do not pollute the environment, in turn saved production cost, also improved working security.Based on above various reasons, the development of water-based Stripable paint is imperative.
Summary of the invention
The object of the present invention is to provide a kind of water-based Stripable paint, mainly solve the problem existing for above-mentioned prior art, innovative point of the present invention is to add any auxiliary agent, resin self high cohesion is achieved with from the special polymerization technique of wound and raw material, the feature of low sticking power, and water-acid resistance excellent property, and have certain snappiness and elasticity, realizes that self is peelable.
For achieving the above object, the present invention realizes like this.
A kind of water-based Stripable paint, its manufacturing process is as follows:
A reactor technique:
A1 Polycondensation Reactor and Esterification Reactor adds water 18-23 weight part, and opens and stir;
A2 adds emulsifying agent 0.35-0.5 weight part and sodium lauryl sulphate 0.1 weight part; Wherein: the emulsifying agent of this step is sieve sub-rs-610 in ground and water according to adding amp-95 after mass ratio 1:9 agitation and dilution and ammoniacal liquor regulates ph to 8 to make;
A3 adds into vinylbenzene 2-4 weight part and methyl methacrylate 2 weight part;
A4 use water 3-4 weight part rinses reinforced container, and wash-down water all enters still;
A5 starts to heat up, until 85 DEG C;
B emulsion tank technique
B1 claims water 13-15 weight part to pour emulsion tank into;
B2 adds diacetone-acryloamide(DAA) 0.4-0.8 weight part and n-methylolacrylamide 0.2-0.4 weight part is to be dissolved;
B3 adds the emulsifying agent 0.35-0.5 weight part oneself modulated after dissolving, and stirs 5min; To be sieve sub-rs-610 in ground and water be in harmonious proportion ph to 7 make according to adding amp-95 and ammoniacal liquor after mass ratio 1:9 agitation and dilution for the emulsifying agent of this step;
B4, after material loading fully mixes, starts to add vinylformic acid 1-1.5 weight part, methyl methacrylate 11-13 weight part, butyl acrylate 14-16 weight part, vinylbenzene 7-8 weight part, ethyl propenoate 1.5-2.5 weight part, hydroxyethyl methacrylate 1-1.2 weight part;
B5 stirs 20min, puts stand-by on one side;
C reactive moieties:
When C1 temperature of reaction kettle is increased to 80-90 DEG C, add initiator; This initiator is in harmonious proportion by ammonium persulphate 0.2-0.24 weight part and water 6-7 weight part to form, and its consumption is 1/5 of initiator total amount;
After C2 adds initiator, when temperature rises to about 90 DEG C, open water of condensation, make temperature be kept for no more 92 DEG C, turn off water of condensation; Temperature of reaction kettle is made naturally to be reduced to 82-85 DEG C;
C3 temperature-stable after 40min starts to drip remaining initiator to 82-85 DEG C, drips pre-emulsification monomer prepared by step B subsequently, time for adding 220-260min;
C4 until both dropwise after, be incubated 85 DEG C continue 1 hour;
After C5 is incubated 1 hour, be cooled to 70 DEG C; Stablize after 70 DEG C, start aftertreatment;
D aftertreatment part:
D1 adds tertbutyl peroxide 0.04-0.06 weight part and enters still, and stirs 10min;
D2 adds Trisodium Citrate 0.03-0.04 weight part and is in harmonious proportion with water 0.5-0.8 weight part, enters still;
D3 enters still and stirs 10min, is cooled to 45 DEG C, adds the ammoniacal liquor of 10%-25% concentration, regulates ph to 7-8;
D4 adds adipic dihydrazide 0.3-0.36 weight part and water 1-1.5 weight part after stirring 10min, and filters discharging after stirring 10min.
By aforesaid method step, the ACRYLIC EMULSION finally making solid content 40-45%, 100-120 weight part of the water-based Stripable paint finally made.
In formula system of the present invention, pass through particle design, use daam(diacetone-acryloamide(DAA)) and adh(adipic dihydrazide) form crosslinking structure, make emulsion particle force of cohesion and macromole polarity very strong and be difficult to wetting base material, so very weak to the general sticking power of base material.For dry film 0.4mm, its 180 ° of stripping strengths on galvanized iron sheet are only 0.147kN/m, and the sticking power that its 180 ° of stripping strengths on ABS plate are only 0.147kN/m film is not high, peels off difficulty little.
Using method of the present invention is: can carry out technique initialization according to the difference on protected surface when emulsion is modulated into strippable paint, can showering, dip-coating, spraying, brushing.Suggestion big area burnishing surface uses.When film forming thickness reaches certain thickness, light stripping (first open an osculum on border, more whole being torn) after film forming drying, can be realized.
Compared with prior art advantage of the present invention is as follows:
1, decrease the interpolation of auxiliary agent, improve the stability of resin itself.
2, versatility is good, can be applicable to various base material, comprises the basal planes such as baking vanish face, plastics, cast iron, galvanized sheet, tinplate.
3, decrease the discharge of VOC, in resin paint process, volatile organic matter addition is no more than 6% of lacquering quality, and reach the strippable paint of 30% compared to auxiliary agent and amount of solvent easily, VOC greatly reduces, significant to environmental protection.
4, cost is low.Material cost is 7-8 unit/kg, and lacquering (quality is than accounting more than 85% in lacquering for main body emulsion resin, if do not add mill base, main body emulsion resin can accounting 95% or more) cost is less than 15 yuan/kg.Far below aqueous polyurethane on market or the provisional protective cover of oiliness, on market, the e-251 price of the peelable polyaminoester emulsion of main flow such as DSM is 45-50 unit/kg.
Embodiment
Embodiment 1
A kind of water-based Stripable paint, its manufacturing process is as follows:
A reactor technique:
A1 Polycondensation Reactor and Esterification Reactor adds water 18 weight parts, and opens and stir;
A2 adds emulsifying agent 0.35 weight part and sodium lauryl sulphate 0.1 weight part; Wherein: the emulsifying agent of this step is sieve sub-rs-610 in ground and water according to adding amp-95 after mass ratio 1:9 agitation and dilution and ammoniacal liquor regulates ph to 8 to make;
A3 adds into vinylbenzene 2 weight part and methyl methacrylate 2 weight part;
A4 use water 3 weight part rinses reinforced container, and wash-down water all enters still;
A5 starts to heat up, until 85 DEG C;
B emulsion tank technique
B1 claims water 13 weight part to pour emulsion tank into;
B2 adds diacetone-acryloamide(DAA) 0.4 weight part and n-methylolacrylamide 0.2 weight part is to be dissolved;
B3 adds emulsifying agent 0.35 weight part oneself modulated after dissolving, and stirs 5min; To be sieve sub-rs-610 in ground and water be in harmonious proportion ph to 7 make according to adding amp-95 and ammoniacal liquor after mass ratio 1:9 agitation and dilution for the emulsifying agent of this step;
B4, after material loading fully mixes, starts to add vinylformic acid 1 weight part, methyl methacrylate 11 weight part, butyl acrylate 14 weight part, vinylbenzene 7 weight part, ethyl propenoate 1.5 weight part, hydroxyethyl methacrylate 1 weight part;
B5 stirs 20min, puts stand-by on one side;
C reactive moieties:
When C1 temperature of reaction kettle is increased to 80 DEG C, add initiator; This initiator is in harmonious proportion by ammonium persulphate 0.2 weight part and water 6 weight part to form, and its consumption is 1/5 of initiator total amount;
After C2 adds initiator, when temperature rises to about 90 DEG C, open water of condensation, make temperature be kept for no more 92 DEG C, turn off water of condensation; Temperature of reaction kettle is made naturally to be reduced to 82 DEG C;
C3 temperature-stable to 82 DEG C after 40min starts to drip remaining initiator, drips pre-emulsification monomer prepared by step B subsequently, time for adding 220min;
C4 until both dropwise after, be incubated 85 DEG C continue 1 hour.
After C5 is incubated 1 hour, be cooled to 70 DEG C; Stablize after 70 DEG C, start aftertreatment;
D aftertreatment part:
D1 adds tertbutyl peroxide 0.04 weight part and enters still, and stirs 10min;
D2 adds Trisodium Citrate 0.03 weight part and is in harmonious proportion with water 0.5-0.8 weight part, enters still;
D3 enters still and stirs 10min, is cooled to 45 DEG C, adds the ammoniacal liquor of 10% concentration, regulates ph to 7;
D4 adds adipic dihydrazide 0.3 weight part and water 1 weight part after stirring 10min, and filters discharging after stirring 10min.
During use, with spraying method, water-based Stripable paint is coated on PVC plastic panel, light stripping (first open an osculum on border, more whole being torn) after film forming drying, can be realized.
Embodiment 2
A kind of water-based Stripable paint, its manufacturing process is as follows:
A reactor technique:
A1 Polycondensation Reactor and Esterification Reactor adds water 23 weight parts, and opens and stir;
A2 adds emulsifying agent 0.5 weight part and sodium lauryl sulphate 0.1 weight part; Wherein: the emulsifying agent of this step is sieve sub-rs-610 in ground and water according to adding amp-95 after mass ratio 1:9 agitation and dilution and ammoniacal liquor regulates ph to 8 to make;
A3 adds into vinylbenzene 4 weight part and methyl methacrylate 2 weight part;
A4 use water 4 weight part rinses reinforced container, and wash-down water all enters still;
A5 starts to heat up, until 85 DEG C;
B emulsion tank technique
B1 claims water 15 weight part to pour emulsion tank into;
B2 adds diacetone-acryloamide(DAA) 0.8 weight part and n-methylolacrylamide 0.4 weight part is to be dissolved;
B3 adds emulsifying agent 0.5 weight part oneself modulated after dissolving, and stirs 5min; To be sieve sub-rs-610 in ground and water be in harmonious proportion ph to 7 make according to adding amp-95 and ammoniacal liquor after mass ratio 1:9 agitation and dilution for the emulsifying agent of this step;
B4, after material loading fully mixes, starts to add vinylformic acid 1.5 weight part, methyl methacrylate 13 weight part, butyl acrylate 16 weight part, vinylbenzene 8 weight part, ethyl propenoate 2.5 weight part, hydroxyethyl methacrylate 1.2 weight part;
B5 stirs 20min, puts stand-by on one side;
C reactive moieties:
When C1 temperature of reaction kettle is increased to 90 DEG C, add initiator; This initiator is in harmonious proportion by ammonium persulphate 0.24 weight part and water 7 weight part to form, and its consumption is 1/5 of initiator total amount;
After C2 adds initiator, when temperature rises to about 90 DEG C, open water of condensation, make temperature be kept for no more 92 DEG C, turn off water of condensation; Temperature of reaction kettle is made naturally to be reduced to 85 DEG C;
C3 temperature-stable to 85 DEG C after 40min starts to drip remaining initiator, drips pre-emulsification monomer prepared by step B subsequently, time for adding 260min;
C4 until both dropwise after, be incubated 85 DEG C continue 1 hour.
After C5 is incubated 1 hour, be cooled to 70 DEG C; Stablize after 70 DEG C, start aftertreatment;
D aftertreatment part:
D1 adds tertbutyl peroxide 0.06 weight part and enters still, and stirs 10min;
D2 adds Trisodium Citrate 0.04 weight part and is in harmonious proportion with water 0.8 weight part, enters still;
D3 enters still and stirs 10min, is cooled to 45 DEG C, adds the ammoniacal liquor of 25% concentration, regulates ph to 8;
D4 adds adipic dihydrazide 0.36 weight part and water 1.5 weight part after stirring 10min, and filters discharging after stirring 10min.
During use, in the mode of brushing, water-based Stripable paint is coated on tinplate on the surface, light stripping (first open an osculum on border, more whole being torn) after film forming drying, can be realized.
Embodiment 3
A kind of water-based Stripable paint, its manufacturing process is as follows:
A reactor technique:
A1 Polycondensation Reactor and Esterification Reactor adds water 20 weight parts, and opens and stir;
A2 adds emulsifying agent 0.4 weight part and sodium lauryl sulphate 0.1 weight part; Wherein: the emulsifying agent of this step is sieve sub-rs-610 in ground and water according to adding amp-95 after mass ratio 1:9 agitation and dilution and ammoniacal liquor regulates ph to 8 to make;
A3 adds into vinylbenzene 3 weight part and methyl methacrylate 2 weight part;
A4 use water 3.5 weight part rinses reinforced container, and wash-down water all enters still;
A5 starts to heat up, until 85 DEG C;
B emulsion tank technique
B1 claims water 14 weight part to pour emulsion tank into;
B2 adds diacetone-acryloamide(DAA) 0.6 weight part and n-methylolacrylamide 0.3 weight part is to be dissolved;
B3 adds the emulsifying agent 0.35-0.5 weight part oneself modulated after dissolving, and stirs 5min; To be sieve sub-rs-610 in ground and water be in harmonious proportion ph to 7 make according to adding amp-95 and ammoniacal liquor after mass ratio 1:9 agitation and dilution for the emulsifying agent of this step;
B4, after material loading fully mixes, starts to add vinylformic acid 1.2 weight part, methyl methacrylate 12 weight part, butyl acrylate 15 weight part, vinylbenzene 8 weight part, ethyl propenoate 2 weight part, hydroxyethyl methacrylate 1.2 weight part;
B5 stirs 20min, puts stand-by on one side;
C reactive moieties:
When C1 temperature of reaction kettle is increased to 85 DEG C, add initiator; This initiator is in harmonious proportion by ammonium persulphate 0.3 weight part and water 6 weight part to form, and its consumption is 1/5 of initiator total amount;
After C2 adds initiator, when temperature rises to about 90 DEG C, open water of condensation, make temperature be kept for no more 92 DEG C, turn off water of condensation; Temperature of reaction kettle is made naturally to be reduced to 85 DEG C;
C3 temperature-stable to 85 DEG C after 40min starts to drip remaining initiator, drips pre-emulsification monomer prepared by step B subsequently, time for adding 250min;
C4 until both dropwise after, be incubated 85 DEG C continue 1 hour.
After C5 is incubated 1 hour, be cooled to 70 DEG C; Stablize after 70 DEG C, start aftertreatment;
D aftertreatment part:
D1 adds tertbutyl peroxide 0.05 weight part and enters still, and stirs 10min;
D2 adds Trisodium Citrate 0.03 weight part and is in harmonious proportion with water 0.7 weight part, enters still;
D3 enters still and stirs 10min, is cooled to 45 DEG C, adds the ammoniacal liquor of 20% concentration, regulates ph to 8;
D4 adds adipic dihydrazide 0.35 weight part and water 1.5 weight part after stirring 10min, and filters discharging after stirring 10min.
During use, with dip coating manner, water-based Stripable paint is coated on the surface of ironcasting, light stripping (first open an osculum on border, more whole being torn) after film forming drying, can be realized.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (1)
1. a water-based Stripable paint, its manufacturing process is as follows:
A reactor technique:
A1 Polycondensation Reactor and Esterification Reactor adds water 18-23 weight part, and opens and stir;
A2 adds emulsifying agent 0.35-0.5 weight part and sodium lauryl sulphate 0.1 weight part; Wherein: the emulsifying agent of this step is sieve sub-rs-610 in ground and water according to adding amp-95 after mass ratio 1:9 agitation and dilution and ammoniacal liquor regulates ph to 8 to make;
A3 adds into vinylbenzene 2-4 weight part and methyl methacrylate 2 weight part;
A4 use water 3-4 weight part rinses reinforced container, and wash-down water all enters still;
A5 starts to heat up, until 85 DEG C;
B emulsion tank technique
B1 claims water 13-15 weight part to pour emulsion tank into;
B2 adds diacetone-acryloamide(DAA) 0.4-0.8 weight part and n-methylolacrylamide 0.2-0.4 weight part is to be dissolved;
B3 adds the emulsifying agent 0.35-0.5 weight part oneself modulated after dissolving, and stirs 5min; To be sieve sub-rs-610 in ground and water be in harmonious proportion ph to 7 make according to adding amp-95 and ammoniacal liquor after mass ratio 1:9 agitation and dilution for the emulsifying agent of this step;
B4, after material loading fully mixes, starts to add vinylformic acid 1-1.5 weight part, methyl methacrylate 11-13 weight part, butyl acrylate 14-16 weight part, vinylbenzene 7-8 weight part, ethyl propenoate 1.5-2.5 weight part, hydroxyethyl methacrylate 1-1.2 weight part;
B5 stirs 20min, puts stand-by on one side;
C reactive moieties:
When C1 temperature of reaction kettle is increased to 80-90 DEG C, add initiator; This initiator is in harmonious proportion by ammonium persulphate 0.2-0.24 weight part and water 6-7 weight part to form, and its consumption is 1/5 of initiator total amount;
After C2 adds initiator, when temperature rises to about 90 DEG C, open water of condensation, make temperature be kept for no more 92 DEG C, turn off water of condensation; Temperature of reaction kettle is made naturally to be reduced to 82-85 DEG C;
C3 temperature-stable after 40min starts to drip remaining initiator to 82-85 DEG C, drips pre-emulsification monomer prepared by step B subsequently, time for adding 220-260min;
C4 until both dropwise after, be incubated 85 DEG C continue 1 hour;
After C5 is incubated 1 hour, be cooled to 70 DEG C; Stablize after 70 DEG C, start aftertreatment;
D aftertreatment part:
D1 adds tertbutyl peroxide 0.04-0.06 weight part and enters still, and stirs 10min;
D2 adds Trisodium Citrate 0.03-0.04 weight part and is in harmonious proportion with water 0.5-0.8 weight part, enters still;
D3 enters still and stirs 10min, is cooled to 45 DEG C, adds the ammoniacal liquor of 10%-25% concentration, regulates ph to 7-8;
D4 adds adipic dihydrazide 0.3-0.36 weight part and water 1-1.5 weight part after stirring 10min, and filters discharging after stirring 10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413216.5A CN104962161B (en) | 2015-07-15 | 2015-07-15 | A kind of water-based Stripable paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510413216.5A CN104962161B (en) | 2015-07-15 | 2015-07-15 | A kind of water-based Stripable paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104962161A true CN104962161A (en) | 2015-10-07 |
| CN104962161B CN104962161B (en) | 2018-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510413216.5A Active CN104962161B (en) | 2015-07-15 | 2015-07-15 | A kind of water-based Stripable paint |
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Cited By (6)
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| CN106147486A (en) * | 2016-08-04 | 2016-11-23 | 东华大学 | A kind of fire resistant water-based polyacrylate stripping lacquer and preparation method thereof |
| CN106243887A (en) * | 2016-08-04 | 2016-12-21 | 东华大学 | A kind of cold-resistant water polyacrylic acid stripping lacquer and preparation method thereof |
| CN113004758A (en) * | 2020-12-29 | 2021-06-22 | 东华大学 | Core-shell type acrylate strippable coating and preparation method thereof |
| CN113462220A (en) * | 2021-06-15 | 2021-10-01 | 中昊北方涂料工业研究设计院有限公司 | Water-based strippable single-color-change irreversible temperature indicating coating and preparation method thereof |
| CN114015307A (en) * | 2021-12-01 | 2022-02-08 | 广东百屋乐建筑科技有限公司 | Single-component water-based acrylic acid strippable paint and preparation method and application thereof |
| CN115449282A (en) * | 2022-09-14 | 2022-12-09 | 中昊北方涂料工业研究设计院有限公司 | Indoor temporary-protection water-based strippable coating and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147486A (en) * | 2016-08-04 | 2016-11-23 | 东华大学 | A kind of fire resistant water-based polyacrylate stripping lacquer and preparation method thereof |
| CN106243887A (en) * | 2016-08-04 | 2016-12-21 | 东华大学 | A kind of cold-resistant water polyacrylic acid stripping lacquer and preparation method thereof |
| CN113004758A (en) * | 2020-12-29 | 2021-06-22 | 东华大学 | Core-shell type acrylate strippable coating and preparation method thereof |
| CN113462220A (en) * | 2021-06-15 | 2021-10-01 | 中昊北方涂料工业研究设计院有限公司 | Water-based strippable single-color-change irreversible temperature indicating coating and preparation method thereof |
| CN114015307A (en) * | 2021-12-01 | 2022-02-08 | 广东百屋乐建筑科技有限公司 | Single-component water-based acrylic acid strippable paint and preparation method and application thereof |
| CN114015307B (en) * | 2021-12-01 | 2022-10-14 | 广东百屋乐建筑科技有限公司 | Single-component water-based acrylic acid strippable paint and preparation method and application thereof |
| CN115449282A (en) * | 2022-09-14 | 2022-12-09 | 中昊北方涂料工业研究设计院有限公司 | Indoor temporary-protection water-based strippable coating and preparation method thereof |
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|---|---|
| CN104962161B (en) | 2018-03-27 |
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